linux-kernel - Re: [PATCH V3 4/9] dt-bindings: clock: Add Qualcomm IPQ5332 GCC

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Message-ID: <ef449dd2-c385-f2e6-30f0-7c0ae803d5c5@linaro.org>
Date:   Tue, 7 Feb 2023 12:05:31 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Kathiravan T <quic_kathirav@...cinc.com>,
        krzysztof.kozlowski@...aro.org, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, mturquette@...libre.com,
        sboyd@...nel.org, linus.walleij@...aro.org,
        catalin.marinas@....com, will@...nel.org, shawnguo@...nel.org,
        arnd@...db.de, marcel.ziswiler@...adex.com,
        nfraprado@...labora.com, robimarko@...il.com,
        quic_gurus@...cinc.com, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     quic_varada@...cinc.com, quic_srichara@...cinc.com
Subject: Re: [PATCH V3 4/9] dt-bindings: clock: Add Qualcomm IPQ5332 GCC

On 07/02/2023 06:26, Kathiravan T wrote:
> Thanks Dmirty for taking time to review the patch.
> 
> 
> On 2/6/2023 3:22 PM, Dmitry Baryshkov wrote:
>> On 06/02/2023 09:12, Kathiravan T wrote:
>>> Add binding for the Qualcomm IPQ5332 Global Clock Controller.
>>>
>>> Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>
>>> ---
>>> Changes in V3:
>>>     - Actually I missed to remove the clocks in V2 which are supposed to
>>>       be removed. In V3 I have removed those and they are
>>>       GCC_APSS_AHB_CLK, GCC_APSS_AHB_CLK_SRC, GCC_APSS_AXI_CLK
>>>     - For the same, didn't add the Reviewed-By tags from Stephen and
>>>       Krzysztof
>>>
>>> Changes in V2:
>>>     - property 'clocks' is marked required
>>>     - Renamed the include file name to match with compatible
>>>
>>>   .../bindings/clock/qcom,ipq5332-gcc.yaml      |  61 +++
>>>   include/dt-bindings/clock/qcom,ipq5332-gcc.h  | 356 ++++++++++++++++++
>>>   2 files changed, 417 insertions(+)
>>>   create mode 100644 
>>> Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml
>>>   create mode 100644 include/dt-bindings/clock/qcom,ipq5332-gcc.h
>>>
>>> diff --git 
>>> a/Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml 
>>> b/Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml
>>> new file mode 100644
>>> index 000000000000..961311af400c
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml
>>> @@ -0,0 +1,61 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/clock/qcom,ipq5332-gcc.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Qualcomm Global Clock & Reset Controller on IPQ5332
>>> +
>>> +maintainers:
>>> +  - Stephen Boyd <sboyd@...nel.org>
>>> +
>>> +description: |
>>> +  Qualcomm global clock control module provides the clocks, resets 
>>> and power
>>> +  domains on IPQ5332.
>>> +
>>> +  See also:: include/dt-bindings/clock/qcom,gcc-ipq5332.h
>>> +
>>> +allOf:
>>> +  - $ref: qcom,gcc.yaml#
>>> +
>>> +properties:
>>> +  compatible:
>>> +    const: qcom,ipq5332-gcc
>>> +
>>> +  clocks:
>>> +    items:
>>> +      - description: Board XO clock source
>>> +      - description: Sleep clock source
>>> +      - description: PCIE 2lane PHY pipe clock source
>>> +      - description: PCIE 2lane x1 PHY pipe clock source (For second 
>>> lane)
>>> +      - description: USB PCIE wrapper pipe clock source
>>> +
>>> +  clock-names:
>>> +    items:
>>> +      - const: xo
>>> +      - const: sleep_clk
>>> +      - const: pcie_2lane_phy_pipe_clk
>>> +      - const: pcie_2lane_phy_pipe_clk_x1
>>> +      - const: usb_pcie_wrapper_pipe_clk
>>
>> pcie3x1_0_pipe_clk_src, pcie3x1_1_pipe_clk_src, pcie3x2_pipe_clk_src 
>> usb0_pipe_clk_src are missing.
> 
> 
> Here is the mapping,
> 
> pcie_2lane_phy_pipe_clk  is the source for pcie3x2,
> 
> pcie_2lane_phy_pipe_clk_x1 is the source for pcie3x1_1,
> 
> usb_pcie_wrapper_pipe_clk is the source for pcie3x1_0_pipe_clk_src and 
> usb0_pipe_clk_src.
> 
> Is this what you are expecting or am I missing something here?

Yes. There were three parent_name entries in your driver. So I can 
assume that the binding might also be incorrect.

-- 
With best wishes
Dmitry